Pith Number

pith:NLQTFYRQ

pith:2025:NLQTFYRQTMT4UYRGZYM4672EBM

not attested not anchored not stored refs pending

Dimension reduction for derivative-informed operator learning: An analysis of approximation errors

DingCheng Luo, Omar Ghattas, Peng Chen, Thomas O'Leary-Roseberry

arxiv:2504.08730 v1 · 2025-04-11 · math.NA · cs.LG · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NLQTFYRQTMT4UYRGZYM4672EBM}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

3 papers in Pith

Derivative-Informed Operator Learning for Finance: On-the-Fly Greeks, Surfaces, Hedging, and Control

Universal Approximation of Nonlinear Operators and Their Derivatives

Receipt and verification

First computed	2026-07-05T10:47:53.316513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ae132e2309b27ca6226ce19cf7f440b25f9d41ebbcb060a30288da840f775a7

Aliases

arxiv: 2504.08730 · arxiv_version: 2504.08730v1 · doi: 10.48550/arxiv.2504.08730 · pith_short_12: NLQTFYRQTMT4 · pith_short_16: NLQTFYRQTMT4UYRG · pith_short_8: NLQTFYRQ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NLQTFYRQTMT4UYRGZYM4672EBM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6ae132e2309b27ca6226ce19cf7f440b25f9d41ebbcb060a30288da840f775a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f18bab7af9858ac40f2f618386433dfd71f3ee114803ebd3df5e98a10c2dc697",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-04-11T17:56:52Z",
    "title_canon_sha256": "4f23c87c6c064c7ef852b940e842ca2f40e8b835245f867d503ef80bc256b017"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.08730",
    "kind": "arxiv",
    "version": 1
  }
}